| Document |
Document Title |
|
JP3259033B2 |
To provide a energy saving apparatus for particularly concentrating the solution containing specified components recovered from sea water. This apparatus is provided with an upper layer tank having a drainage opening with a valve and a l...
|
|
JP3247704B2 |
PURPOSE: To provide a removing method of heavy metals contained in a water to be treated by allowing the heavy metals to bring into contact with a vibrous chelate high molecular compd. CONSTITUTION: The compd. consists of a fibrous chela...
|
|
JP2002501427A |
Apparatus, materials, and methods for removing ammonia from fluids using metal hydroxides (e.g. zinc hydroxide) and metal loaded media (e.g. zinc loaded ion exchange resins); the metal hydroxides and metal loaded media may be regenerated...
|
|
JP3241380B2 |
A method for the removal and concentration of desired ions such as Sb3+, Zr4+, Zn2+, Pu4+, Hf4+, Cu2+, Ni2+, Fe3+, Cd2+, Ag+, and Hg2+ from a multiple ion source solution which may contain larger concentrations of other undesired ions in...
|
|
JP3240645B2 |
PURPOSE: To provide a phosphonate type chelate resin having high exchange capacity and cycle strength. CONSTITUTION: A phosphonate type styrenic chelate resin having a -CH2PO3H2 group with a specific surface area of 10-100m2/g, a pore vo...
|
|
JP3240646B2 |
PURPOSE: To selectively remove a trivalent metal ion from a strong acidic solution containing trivalent metal ion and other valent metal ions by using phosphonic acid type chelate resin. CONSTITUTION: This method is characterized by brin...
|
|
JP3237860B2 |
|
|
JP3237879B2 |
A method for the removal and concentration of desired ions from a source solution which may contain larger concentrations of other ions including H<+> comprises bringing the source solution into contact with a compound comprising a polyt...
|
|
JP2001521822A |
A process for removing ions of dissolved heavy metals and complex heavy metals comprises provides a treatment zone in which is contained an extraction material having an activated surface that has an affinity for heavy metal ions and com...
|
|
JP3228863B2 |
To obtain a useful oxygen selective adsorbent by supporting a transition element complex on a non-zeolite crystalline or non-crystalline solid and specifying an oxygen absorbing speed and loading capacity. A solid phase transition elemen...
|
|
JP2001520932A |
Inorganic-organic hybrid gels can be employed to extract chemical species such as lanthanides and actinides and their preparation.The gels include a network of inorganic components with the formula:where M is Si, Ti, Zr or Al, wherein or...
|
|
JP2001123381A |
To produce a chelate-forming fiber having excellent capturing performance to metals and metalloids, enabling easy incineration, or the like, and easily producible by a safe process at a low cost and to develop a process for the productio...
|
|
JP2001113272A |
To efficiently capture selenium or arsenic contained in an aqueous solution in a very small amt. by a simple method. Chelate forming fibers prepared by introducing polyethyleneimine preferably having a mean mol.wt. or 300-70,000 into fib...
|
|
JP2001098018A |
To provide a monodisperse ion exchanger having a chelating-functional group which has been unknown up to the moment and requires no intermediate step of haloalkylation for its preparation. (a) Monomer droplets made from a monovinyl aroma...
|
|
JP2001089524A |
To provide a method for producing a new single dispersed-type crosslinked beadlike polymer having thiourea group and a method for adsorbing and removing metallic compounds, especially heavy metallic compounds or noble metallic compounds ...
|
|
JP3150173B2 |
PURPOSE: To provide a production method of an adsorbent which can selectively adsorb and desorb heavy metal ions such as cobalt, nickel, mercury, copper, etc., dissolving in minute amts. in water for water processing and can easily be tr...
|
|
JP2001047042A |
To decrease the fluorine concentration of a solution efficiently by bringing a fluorine-containing solution into contact with a chelate resin in which metal ions are supported on a polymer in which groups expressed by a specified chemica...
|
|
JP2000342962A |
To provide a heavy metal adsorbent capable of removing heavy metals in a gas or liquid phase and also provide a method for producing the heavy metal adsorbent.This heavy metal adsorbent is an adsorbent produced by bonding a chelate formi...
|
|
JP3100638B2 |
A method for removing, separating, and concentrating certain selected ions from a source solution that may contain larger concentrations of other ions comprises bringing the source solution in contact with a composition comprising an ion...
|
|
JP2000513394A |
PCT No. PCT/EP97/02768 Sec. 371 Date Nov. 23, 1998 Sec. 102(e) Date Nov. 23, 1998 PCT Filed May 28, 1997 PCT Pub. No. WO97/49754 PCT Pub. Date Dec. 31, 1997The invention relates to polyamides which are derivatized with polymerizable doub...
|
|
JP2000264902A |
To obtain the subject new compound retaining excellent adsorption ability to a metal due to not being subjected to crosslinking treatment, being insoluble even in an acidic solution, useful as a metal adsorbent, containing thiourea as a ...
|
|
JP2000511880A |
The present invention provides calixpyrrole, calixpyridinopyrrole, and calixpyridine macrocycles, having 4, 5, 6, 7, or 8 heterocyclic rings, as well as syntheses, derivatives, conjugates, multimers, and solid supports thereof. Such macr...
|
|
JP2000228387A |
To provide a wet cleaner which can eliminate impurities such as a heavy metal, a colloid-like matter, or the like included in an extremely minute amount in ultra-pure water to be used as rinsing water in a semiconductor cleaning process,...
|
|
JP3073789B2 |
|
|
JP2000210572A |
To provide a cation exchanger capable of separating and purifying substances relevant to living bodies such as ionized substances, proteins, and the likes at high recovery ratio and to provide a method for producing a cation exchanger ca...
|
|
JP2000202442A |
To efficiently recover boron from water containing boron and other compounds, while the compounds except boron are removed. The water containing the boron and other compounds is adjusted the pH at less than 8.5 with a pH adjusting tank 1...
|
|
JP2000508706A |
PCT No. PCT/EP97/02062 Sec. 371 Date Oct. 22, 1998 Sec. 102(e) Date Oct. 22, 1998 PCT Filed Apr. 23, 1997 PCT Pub. No. WO97/40088 PCT Pub. Date Oct. 30, 1997Process for preparing fine-particle, water-insoluble polymers of aziridines by p...
|
|
JP3059251B2 |
A process for producing an aminophosphoric acid-type chelate resin, which comprises aminating halomethyl groups of a polymer having the halomethyl groups on aromatic nuclei, followed by phosphomethylation, wherein the amination reaction ...
|
|
JP2000169828A |
To obtain a powdery chelate-catching material capable of exhibiting excellent catching performances for metal ions and the like and capable of being used in the present form as such or in an existing device by introducing chelate-forming...
|
|
JP3053102B2 |
|
|
JP2000093955A |
To provide a method for treating spent photoresist developer wherein partial trace impurities such as Fe and Al which could not been sufficiently remove by the conventional regenerating treatment method for the spent of developer contg. ...
|
|
JP3016522B2 |
|
|
JP2000019293A |
To enable a simple disposal to be performed by dissolving and decomposing a soluble or decomposable selective adsorbent for radioisotopes after bringing a liquid waste containing radioisotopes into contact with the adsorbent and allowing...
|
|
JP2987907B2 |
|
|
JP2987892B2 |
|
|
JP2984683B2 |
A method is disclosed for the quantitative removal and concentration of desired molecules or ions, such as gases, anions and amino acids, from a source solution which may contain larger concentrations of other molecules. The method compr...
|
|
JPH11323448A |
To provide a method for selectively recovering a noble metal from an aq. soln. containing noble metal ions and copper ions coexisting therewith. When the noble metal is selectively recovered from the aq. soln. containing the noble metal ...
|
|
JP2977264B2 |
A method is disclosed for the quantitative removal and concentration of desired transition metal ions from a source solution which may contain larger concentrations of other metal and H<+> ions. The method comprises bringing the source s...
|
|
JPH11211889A |
To selectively separate a transuranium element from radioactive waste liquid containing the transuranium element by using a chelate resin having n-octyl (phenyl)-N,N-diisobutylcarbamoyl-methylphosphine-oxide as functional group. A chelat...
|
|
JP2923784B1 |
[wrap up] [Task] Provided are a novel trisilacarix [3] arene compound, a method for producing the same, and an application of the above-mentioned arene compound. A general formula that can be produced by reacting a dihalogeno aromatic co...
|
|
JP2915010B2 |
The invention has compositions of matter and process aspects. The compositions of matter aspects relate to a class of new organic compounds, viz., intermediates which are sulfur and nitrogen containing hydrocarbons covalently bonded to t...
|
|
JPH11152246A |
To effectively obtain aromatic carboxylic acids by recollecting catalyst from oxidation reaction solution obtained by separating crystals in the reaction solution of a liquid phase oxidation of alkyl substituted aromatic compounds in a s...
|
|
JP2901190B2 |
The present invention relates to a process for removing multivalent cations from monochromate solutions, the monochromate solutions which can be obtained by this process and the use of these solutions as an electrolyte for the electroche...
|
|
JP2876745B2 |
In a method of regenerating a carbon slurry (14) used to produce a black matrix-type phosphor screen of a cathode ray tube, excess carbon slurry is collected (21) after the completion of carbon-coating of a cathode ray tube panel (11) an...
|
|
JP2876754B2 |
|
|
JP2855185B2 |
|
|
JPH10286307A |
To provide a B-cell affinitive ligand and a B-cell separation material that are less expensive and stable to sterilization, excellent in the property of selecting B cells and are suited to an extracorporeal circulation therapy. The B-cel...
|
|
JPH10265764A |
To obtain a metal scavenger with no concern for deterioration of its metal-scavenging efficiency even under treatment in the presence of any oxidizing agent or in an acidic condition, by reaction hydrogen sulfide with a vinylnitrile-base...
|
|
JPH10510008A |
A composition comprising a crosslinked, highly porous body derived from a water-soluble hydrogel polymer, said porous body being characterized in that it has an open-celled three-dimensional lattice structure, a density of less than abou...
|
|
JP2801414B2 |
|
